Protective wall



FIG. 1 is a perspective view of the protective wall;

FIG. 2 is a right side view of the protective wall;

FIG. 3 is a left side view of the protective wall;

FIG. 4 is a front view of the protective wall;

FIG. 5 is an enlarged view of the top view of the protective wall; and,

FIG. 6 is an enlarged view of the bottom view of the protective wall. 

What is claimed is the ornamental design for a protective wall, as shown and described. 